99-26663. Hazardous Waste Management System; Identification and Listing of Hazardous Waste; Proposed Exclusion  

  • [Federal Register Volume 64, Number 199 (Friday, October 15, 1999)]
    [Proposed Rules]
    [Pages 55880-55892]
    From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
    [FR Doc No: 99-26663]
    
    
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    ENVIRONMENTAL PROTECTION AGENCY
    
    40 CFR Part 261
    
    [SW-FRL-6455-1]
    
    
    Hazardous Waste Management System; Identification and Listing of 
    Hazardous Waste; Proposed Exclusion
    
    AGENCY: Environmental Protection Agency (EPA).
    
    ACTION: Proposed rule and request for comment.
    
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    SUMMARY: The EPA (``the Agency'' or ``we'' in this preamble) is 
    proposing to grant a petition submitted by Rhodia, Incorporated Houston 
    (Rhodia). Rhodia petitioned the Agency to exclude (or delist) filter-
    cake sludge generated at its Houston, Harris County, Texas, facility 
    from the lists of hazardous wastes contained in 40 CFR 261.24, 261.31, 
    and 261.32 (hereinafter all sectional references are to 40 CFR unless 
    otherwise indicated).
        Rhodia submitted this petition under Secs. 260.20 and 260.22(a). 
    Section 260.20 allows any person to petition the Administrator to 
    modify or revoke any provision of Secs. 260 through 266, 268 and 273. 
    Section 260.22(a) specifically provides generators the opportunity to 
    petition the Administrator to exclude a waste on a ``generator 
    specific'' basis from the hazardous waste lists.
        The Agency bases its proposed decision to grant the petition on an 
    evaluation of waste-specific information provided by the petitioner.
        If finalized, we would conclude that Rhodia's petitioned waste is 
    nonhazardous with respect to the original listing criteria and that the 
    waste process Rhodia uses will substantially reduce the likelihood of 
    migration of hazardous constituents from this waste. We would also 
    conclude that their process minimizes short-term and long-term threats 
    from the petitioned waste to human health and the environment.
    
    DATES: We will accept comments until November 29, 1999. We will stamp 
    comments postmarked after the close of the comment period as ``late.'' 
    These ``late'' comments may not be considered in formulating a final 
    decision.
        Your requests for a hearing must reach EPA by November 1, 1999. The 
    request must contain the information prescribed in Sec. 260.20(d).
    
    ADDRESSES: Please send three copies of your comments. Two copies should 
    be sent to William Gallagher, Delisting Section, Multimedia Planning 
    and Permitting Division (6PD-O), Environmental Protection Agency, 1445 
    Ross Avenue, Dallas, Texas 75202. A third copy should be sent to the 
    Texas Natural Resources Conservation Commission (TNRCC), P.O. Box 
    13087, Austin, Texas, 78711-3087. Identify your comments at the top 
    with this regulatory docket number: ``F-99-TXDEL-Rhodia.''
        You should address requests for a hearing to the Acting Director, 
    Robert Hannesschlager, Multimedia Planning and Permitting Division 
    (6PD), Environmental Protection Agency, 1445 Ross Avenue, Dallas, Texas 
    75202.
    
    FOR FURTHER INFORMATION CONTACT: James Harris at (214) 665-8302.
    
    SUPPLEMENTARY INFORMATION:
        The information in this section is organized as follows:
    
    I. Overview Information
        A. What action is EPA proposing?
    
    [[Page 55881]]
    
        B. Why is EPA proposing to approve this delisting?
        C. How will Rhodia manage the waste if it is delisted?
        D. When would EPA finalize the proposed delisting?
        E. How would this action affect States?
    II. Background
        A. What is the history of the delisting program?
        B. What is a delisting petition, and what does it require of a 
    petitioner?
        C. What factors must EPA consider in deciding whether to grant a 
    delisting petition?
    III. EPA's Evaluation of the Waste Data
        A. What waste did Rhodia petition EPA to delist?
        B. Who is Rhodia, and what process does it use?
        C. How did Rhodia sample and analyze the waste data in this 
    petition?
        D. What were the results of Rhodia's analysis?
        E. How did EPA evaluate the risk of delisting this waste?
        F. What did EPA conclude about Rhodia's analysis?
        G. What other factors did EPA consider?
        H. What is EPA's final evaluation of this delisting petition?
    IV. Next Steps
        A. With what conditions must the petitioner comply?
        B. What happens if Rhodia violates the terms and conditions?
    V. Public Comments
        A. How can I, as an interested party, submit comments?
        B. How may I review the docket or obtain copies of the proposed 
    exclusion?
    VI. Regulatory Impact
    VII. Regulatory Flexibility Act
    VIII. Paperwork Reduction Act
    IX. Unfunded Mandates Reform Act
    X. Executive Order 12875
    XI. Executive Order 13045
    XII. Executive Order 13084
    XIII. National Technology Transfer and Advancement Act
    
    I. Overview Information
    
    A. What Action is EPA Proposing?
    
        The EPA is proposing:
        (1) To grant Rhodia's petition to have it's filter-cake sludge 
    excluded, or delisted, from the definition of a hazardous waste, 
    subject to certain verification and monitoring conditions; and
        (2) To use a fate and transport model to evaluate the potential 
    impact of the petitioned waste on human health and the environment. The 
    Agency uses this model to predict the concentration of hazardous 
    constituents released from the petitioned waste, once it is disposed.
    
    B. Why Is EPA Proposing To Approve This Delisting?
    
        Rhodia's petition requests a delisting for listed hazardous wastes. 
    Rhodia does not believe that the petitioned waste meets the criteria 
    for which EPA listed it. Rhodia also believes no additional 
    constituents or factors could cause the waste to be hazardous. EPA's 
    review of this petition included consideration of the original listing 
    criteria, and the additional factors required by HSWA. See section 222 
    of HSWA, 42 U.S.C. 6921(f), and 40 CFR 260.22(d)(1)-(4). In making the 
    initial delisting determination, EPA evaluated the petitioned waste 
    against the listing criteria and factors cited in Secs. 261.11 (a)(2) 
    and (a)(3). Based on this review, the EPA agrees with the petitioner 
    that the waste is nonhazardous with respect to the original listing 
    criteria. (If the EPA had found, based on this review, that the waste 
    remained hazardous based on the factors for which the waste were 
    originally listed, EPA would have proposed to deny the petition.) The 
    EPA evaluated the waste with respect to other factors or criteria to 
    assess whether there is a reasonable basis to believe that such 
    additional factors could cause the waste to be hazardous. The EPA 
    considered whether the waste is acutely toxic, the concentration of the 
    constituents in the waste, their tendency to migrate and to 
    bioaccumulate, their persistence in the environment once released from 
    the waste, plausible and specific types of management of the petitioned 
    waste, the quantities of waste generated, and waste variability. The 
    EPA believes that the petitioned waste does not meet these criteria. 
    EPA's proposed decision to delist waste from Rhodia's facility is based 
    on the information submitted in support of today's rule, i.e., 
    descriptions of the Sulfuric Acid Regeneration Unit (SARU) and the 
    Advanced Water Treatment (AWT) system and analytical data from the 
    Houston facility.
    
    C. How Will Rhodia Manage the Waste If It Is Delisted?
    
        Rhodia currently disposes of the petitioned waste (filter-cake 
    Sludge) generated at its facility in off-site, RCRA permitted TSD 
    facilities which are not owned/operated by Rhodia. If the waste is 
    delisted it will meet the criteria for disposal in a Subtitle D 
    landfill.
    
    D. When Would EPA Finalize the Proposed Delisting?
    
        The HSWA specifically requires EPA to provide notice and an 
    opportunity for comment before granting or denying a final exclusion. 
    Thus, EPA will not grant the exclusion until it addresses all timely 
    public comments (including those at public hearings, if any) on today's 
    proposal.
        Section 3010(b) at 42 USCA 6930(b) of RCRA allows rules to become 
    effective in less than six months when the regulated community does not 
    need the six-month period to come into compliance. That is the case 
    here, because this rule, if finalized, would reduce the existing 
    requirements for persons generating hazardous wastes.
        The EPA believes that this exclusion should be effective 
    immediately upon final publication because a six-month deadline is not 
    necessary to achieve the purpose of Sec. 3010(b), and a later effective 
    date would impose unnecessary hardship and expense on this petitioner. 
    These reasons also provide good cause for making this rule effective 
    immediately, upon final publication, under the Administrative Procedure 
    Act, 5 U.S.C. 553(d).
    
    E. How Would This Action Affect States?
    
        Because EPA is issuing today's exclusion under the Federal RCRA 
    delisting program, only States subject to Federal RCRA delisting 
    provisions would be affected. This would exclude two categories of 
    States: States having a dual system that includes Federal RCRA 
    requirements and their own requirements, and States who have received 
    authorization from EPA to make their own delisting decisions.
        Here are the details: We allow states to impose their own non-RCRA 
    regulatory requirements that are more stringent than EPA's, under 
    section 3009 of RCRA. These more stringent requirements may include a 
    provision that prohibits a Federally issued exclusion from taking 
    effect in the State. Because a dual system (that is, both Federal 
    (RCRA) and State (non-RCRA) programs) may regulate a petitioner's 
    waste, we urge petitioners to contact the State regulatory authority to 
    establish the status of their wastes under the State law.
        The EPA has also authorized some States (for example, Louisiana, 
    Georgia, Illinois) to administer a RCRA delisting program in place of 
    the Federal program, that is, to make State delisting decisions. 
    Therefore, this exclusion does not apply in those authorized States. If 
    Rhodia transports the petitioned waste to or manages the waste in any 
    State with delisting authorization, Rhodia must obtain delisting 
    authorization from that State before they can manage the waste as 
    nonhazardous in the State.
    
    [[Page 55882]]
    
    II. Background
    
    A. What is the History of the Delisting Program?
    
        The EPA published an amended list of hazardous wastes from 
    nonspecific and specific sources on January 16, 1981, as part of its 
    final and interim final regulations implementing Section 3001 of RCRA. 
    The EPA has amended this list several times and published it in 
    Secs. 261.31 and 261.32.
        We list these wastes as hazardous because: (1) They typically and 
    frequently exhibit one or more of the characteristics of hazardous 
    wastes identified in Subpart C of Part 261 (that is, ignitability, 
    corrosivity, reactivity, and toxicity) or (2) they meet the criteria 
    for listing contained in Secs. 261.11 (a)(2) or (a)(3).
        Individual waste streams may vary, however, depending on raw 
    materials, industrial processes, and other factors. Thus, while a waste 
    described in these regulations generally is hazardous, a specific waste 
    from an individual facility meeting the listing description may not be 
    hazardous.
        For this reason, Secs. 260.20 and 260.22 provide an exclusion 
    procedure, called delisting, which allows persons to prove that EPA 
    should not regulate a specific waste from a particular generating 
    facility as a hazardous waste.
    
    B. What Is a Delisting Petition, and What Does It Require of a 
    Petitioner?
    
        A delisting petition is a request from a facility to EPA or an 
    authorized State to exclude wastes from the list of hazardous wastes. 
    The facility petitions the Agency because they do not consider the 
    wastes hazardous under RCRA regulations.
        In a delisting petition, the petitioner must show that wastes 
    generated at a particular facility do not meet any of the criteria for 
    the listed wastes. The criteria for which EPA lists a waste are in Part 
    261 and in the background documents for the listed wastes.
        In addition, under Sec. 260.22, a petitioner must prove that the 
    waste does not exhibit any of the hazardous waste characteristics (that 
    is, ignitability, reactivity, corrosivity, and toxicity) and present 
    sufficient information for EPA to decide whether factors other than 
    those for which the waste was listed warrant retaining it as a 
    hazardous waste. (See Part 261 and the background documents for the 
    listed wastes.)
        Generators remain obligated under RCRA to confirm whether their 
    waste remains nonhazardous based on the hazardous waste characteristics 
    even if EPA has ``delisted'' the wastes.
    
    C. What Factors Must EPA Consider in Deciding Whether To Grant a 
    Delisting Petition?
    
        Besides considering the criteria in Sec. 260.22(a), in 42 U.S.C. 
    6921(f), and in the background documents for the listed wastes, EPA 
    must consider any factors (including additional constituents) other 
    than those for which we listed the waste if a reasonable basis exists 
    that these additional factors could cause the waste to be hazardous. 
    (See 3010(b) of the Solid Waste Disposal Act.)
        The EPA must also consider as hazardous wastes mixtures containing 
    listed hazardous wastes and wastes derived from treating, storing, or 
    disposing of listed hazardous waste. See Secs. 261.3(a)(2) (iii and iv) 
    and (c)(2)(i), called the ``mixture'' and ``derived-from'' rules, 
    respectively. These wastes are also eligible for exclusion and remain 
    hazardous wastes until excluded.
        The ``mixture'' and ``derived-from'' rules are now final, after 
    having been vacated, remanded, and reinstated. On December 6, 1991, the 
    U.S. Court of Appeals for the District of Columbia vacated the 
    ``mixture/derived from'' rules and remanded them to EPA on procedural 
    grounds. See Shell Oil Co. v. EPA., 950 F.2d 741 (D.C. Cir. 1991). On 
    March 3, 1992, EPA reinstated the mixture and derived-from rules, and 
    solicited comments on other ways to regulate waste mixtures and 
    residues See (57 FR 7628). These rules became final on October 30, 1992 
    See (57 FR 49278). Consult these references for more information about 
    mixtures derived from wastes.
    
    II. EPA's Evaluation of the Waste Data
    
    A. What Waste Did Rhodia Petition EPA To Delist?
    
        On November 4, 1997, Rhodia petitioned the EPA to exclude from the 
    lists of hazardous waste contained in Secs. 261.31 and 261.32, a waste 
    by-product (Filter-Cake Sludge) which falls under the classification of 
    listed waste because of the ``derived from'' rule in RCRA 40 CFR 
    260.3(c)(2)(i). Specifically, in its petition, Rhodia, Incorporated, 
    located in Houston, Texas, requested that EPA grant an exclusion for 
    1,200 cubic yards per year of filter-cake sludge resulting from its 
    hazardous waste treatment process. The resulting waste is listed, in 
    accordance with Sec. 261.3(c)(2)(i) (i.e., the ``derived from'' rule).
    
    B. Who Is Rhodia, and What Process Does It Use?
    
        Rhodia owns and operates a 46-acre facility which is primarily 
    involved in the manufacture of sulfuric acid. Rhodia has been in 
    operation since 1917, primarily producing various strengths and grades 
    of sulfuric acid, sulfur dioxide, oleum, and sulfur trioxide. Rhodia 
    generates sulfuric acid using a spray burning SARU. The recycling 
    process requires the use of an industrial furnace. The furnace utilizes 
    natural gas as the primary fuel. However, Rhodia also treats high and 
    low British Thermal Unit (BTU) pumpable liquid hazardous waste in the 
    furnace. Rhodia accepts hazardous waste from off-site generators for 
    incineration in the sulfuric acid regeneration furnace. A weak acid 
    blowdown stream generated from the wet gas scrubber, cooler, and 
    electrostatic precipitator is treated at the AWT system. The petitioned 
    waste is dewatered filter-cake sludge resulting from the AWT system. 
    The waste by-product (filter-cake sludge) currently falls under the 
    classification of listed waste according to RCRA 40 CFR 261.3(c)(2)(i) 
    because of the ``derived from'' rule. The waste codes of the 
    constituents of concern are EPA Hazardous Waste Nos. D001-D043, F001-
    F012, F019, F024, F025, F032, F034, F037-F039, K002-004, K006-K011, 
    K013-K052, K060-K062, K064-K066, K069, K071, K073, K083-K088, K090-
    K091, K093-K118, K123-K126, K131-K133, K136, K141-K145, K147-K151, 
    K156-K161, P001-P024, P026-P031, P033-P034, P036-P051, P054, P056-P060, 
    P062-P078, P081-P082, P084-P085, P087-P089, P092-P116, P118-P123, P127-
    P128, P185, P188-P192, P194, P196-P199, P201-P205, U001-U012, U014-
    U039, U041-U053, U055-U064, U066-U099, U101-U103, U105-U138, U140-U174, 
    U176-U194, U196-U197, U200-U211, U213-U223, U225-U228, U234-U240, U243-
    U244, U246-U249, U271, U277-U280, U328, U353, U359, U364-U367, U372-
    U373, U375-U379, U381-U396, U400-U404, U407, U409-U411.
    
    C. How Did Rhodia Sample and Analyze the Waste Data in This Petition?
    
        Rhodia analyzed the samples for the complete list of constituents 
    included in 40 CFR Part 264, Appendix IX and the additional parameters 
    for waste common to the petrochemical, oil and gas industries. The 
    analyses was performed using EPA-approved methods. The analytical 
    parameters and methods are provided in Table I.
    
    [[Page 55883]]
    
    
    
                   Table I.--Analytical Parameters and Methods
    ------------------------------------------------------------------------
               Parameter                  Matrix               Method
    ------------------------------------------------------------------------
    GC/MS BNA, App IX List........  Solid............  SW846 Method 8270.
    GC/MS VOA, App IX List........  Solid............  SW846 Method 8240.
    Metals--App IX List...........  Solid............  SW846 Methods 6010/
                                                        7000 Series.
    Herbicides--App IX List.......  Solid............  SW846 Method 8150.
    Pesticide/PCB, App IX List....  Solid............  SW846 Method 8080.
    Organophosporus Pesticides,     Solid............  SW846 Method 8140.
     App IX List.
    Sulfide.......................  Solid............  EPA 376.1.
    Cyanide, Total................  Solid............  SW846, Method 9010.
    Dioxin/Furan--App IX List.....  Solid............  SW846 Method 8280.
    TCLP--40 CFR 261.24 List, and   Solid............  SW846 Method 1311.
     Nickel.
    Neutral Leach Cyanide.........  Solid............  SW846 Method 1311
                                                        (Modified).
    Oil & Grease..................  Solid............  EPA 413.1.
    Reactive Cyanide..............  Solid............  SW 846 Chapter
                                                        7.3.3.2.
    Reactive Sulfide..............  Solid............  SW846 Chapter
                                                        7.3.4.2.
    Flash Point Closed Cup........  Solid............  SW846 Method 1010.
    pH............................  Solid............  SW846 Method 9045.
    ------------------------------------------------------------------------
    Note: Rhodia performed TCLP analyses for specific constituents detected
      in the total analyses for a given sample.
    
    D. What Were the Results of Rhodia's Analysis?
    
        The EPA believes that the descriptions of the Rhodia hazardous 
    waste process and analytical characterization, in conjunction with the 
    proposed verification testing requirements (as discussed later in this 
    notice), provide a reasonable basis to grant Rhodia's petition for an 
    exclusion of the filter-cake sludge. The EPA believes the data 
    submitted in support of the petition show Rhodia's process can render 
    the filter-cake sludge non-hazardous. The EPA has reviewed the sampling 
    procedures used by Rhodia and has determined they satisfy EPA criteria 
    for collecting representative samples of the variations in constituent 
    concentrations in the filter-cake sludge. The data submitted in support 
    of the petition show that constituents in Rhodia's waste are presently 
    below health-based levels used in the delisting decision-making. The 
    EPA believes that Rhodia has successfully demonstrated that the filter-
    cake sludge is non-hazardous.
    
    E. How Did EPA Evaluate the Risk of Delisting the Waste?
    
        For this delisting determination, EPA used such information 
    gathered to identify plausible exposure routes (i.e., ground water, 
    surface water, air) for hazardous constituents present in the 
    petitioned waste. The EPA determined that disposal in a Subtitle D 
    landfill/surface impoundment is the most reasonable, worst-case 
    disposal scenario for Rhodia's petitioned waste, and that the major 
    exposure route of concern would be ingestion of contaminated ground 
    water. EPA applied a particular fate and transport model, EPA Composite 
    Model for Landfills (EPACML), to predict the maximum allowable 
    concentrations of hazardous constituents that may release from the 
    petitioned waste after disposal and determined the potential impact of 
    the disposal of Rhodia's petitioned waste on human health and the 
    environment. Specifically, EPA used the maximum estimated waste volumes 
    and the maximum reported extract concentrations as inputs to estimate 
    the constituent concentrations in the ground water at a hypothetical 
    receptor well downgradient from the disposal site. The calculated 
    receptor well concentrations (referred to as compliance-point 
    concentrations) were then compared directly to the health-based levels 
    at an assumed risk of 10-6 used in delisting decision-making 
    for the hazardous constituents of concern.
        The EPA believes that this fate and transport model represents a 
    reasonable worst-case scenario for disposal of the petitioned waste in 
    a landfill/surface impoundment, and that a reasonable worst-case 
    scenario is appropriate when evaluating whether a waste should be 
    relieved of the protective management constraints of RCRA Subtitle C. 
    The use of some reasonable worst-case scenario resulted in conservative 
    values for the compliance-point concentrations and ensured that the 
    waste, once removed from hazardous waste regulation, may not pose a 
    significant threat to human health or the environment. In most cases, 
    because a delisted waste is no longer subject to hazardous waste 
    control, EPA is generally unable to predict, and does not presently 
    control, how a petitioner will manage a waste after delisting. 
    Therefore, EPA currently believes that it is inappropriate to consider 
    extensive site-specific factors when applying the fate and transport 
    model.
        The EPA also considers the applicability of ground water monitoring 
    data during the evaluation of delisting petitions. In this case, EPA 
    determined that it would be unnecessary to request ground water 
    monitoring data. Rhodia currently disposes of its waste in an off-site 
    RCRA landfill. This landfill did not begin accepting this petitioned 
    waste generated by the Rhodia facility until 1991. This petitioned 
    waste comprises a small fraction of the total waste managed in the 
    unit. Therefore, EPA believes that any ground water monitoring data 
    from the landfill would not be meaningful for an evaluation of the 
    specific effect of this petitioned waste on ground water.
        From the evaluation of Rhodia's delisting petition, EPA developed a 
    list of constituents for the verification testing conditions. Proposed 
    maximum allowable leachable concentrations for these constituents were 
    derived by back-calculating from the delisting health-based levels 
    through the proposed fate and transport model for a landfill management 
    scenario. These concentrations (i.e., ``delisting levels'') are part of 
    the proposed verification testing conditions of the exclusion.
        Similar to other facilities seeking exclusions, Rhodia's exclusion 
    (if granted) would be contingent upon the facility conducting 
    analytical testing of representative samples of the petitioned waste at 
    its Houston facility. This testing would be necessary to verify that 
    the treatment system is operating as demonstrated in the petition 
    submitted on November 4, 1997. Specifically, the verification testing 
    requirements, demonstrate that the processing facility will generate 
    nonhazardous waste (i.e., waste that meet EPA's verification testing 
    conditions). The EPA believes
    
    [[Page 55884]]
    
    that the descriptions of the Rhodia, Inc. hazardous waste process and 
    analytical characterization, in conjunction with the proposed 
    verification testing requirements (as discussed later in this notice) 
    provide a reasonable basis to conclude that the likelihood of migration 
    of hazardous constituents from the petitioned waste will be 
    substantially reduced so that short-term and long-term threats to human 
    health and the environment are minimized. Thus, EPA should grant 
    Rhodia's petition for a conditional exclusion of the filter-cake 
    sludge.
        The EPA Region 6 Delisting Program guidance document states that 
    the appropriate fate and effect model will be used to determine the 
    effect the petitioned waste could have on human health if it is not 
    managed as a hazardous waste. Specifically, the model considers the 
    maximum estimated waste volume and the maximum reported leachate 
    concentrations as inputs to estimate the constituent concentrations in 
    the ground water at a hypothetical receptor well downgradient from the 
    disposal site. The calculated receptor well concentrations (referred to 
    as compliance-point concentrations) are then compared directly to the 
    health-based levels used in delisting decision-making for hazardous 
    constituents of concern. EPA Region 6 has selected the EPA Composite 
    Model for Landfills (EPACML, Federal Register Vol. 56, No. 138, July 
    18, 1991, Page 32993) as the appropriate model for the delisting 
    program. This subsection presents an evaluation of the potential for 
    ground water contamination for the petitioned waste using the EPACML 
    model.
        The EPA considered the appropriateness of alternative waste 
    management scenarios for Rhodia's filter-cake sludge. The EPA decided, 
    based on the information provided in the petition, that disposal of the 
    filter-cake in a municipal solid waste landfill is the most reasonable, 
    worst-case scenario for the filter-cake sludge. The disposal of the 
    filter-cake sludge in a surface impoundment would be the most 
    reasonable worst-case scenario. Under a landfill/surface impoundment 
    disposal scenario, the major exposure route of concern for any 
    hazardous constituents would be ingestion of contaminated ground water. 
    The EPA, therefore, evaluated Rhodia's petitioned waste using the 
    modified EPA Composite Model for Landfills/Surface Impoundments 
    (EPACML) which predicts the potential for ground water contamination 
    from waste landfilled/placed in a surface impoundment. See 56 FR 32993 
    (July 18, 1991), 56 FR 67197 (December 30, 1991) and the RCRA public 
    docket for these notices for a detailed description of the EPACML 
    model, the disposal assumptions, and the modifications made for 
    delisting. This model, which includes both unsaturated and saturated 
    zone transport modules, predicts reasonable worse-case contaminant 
    levels in ground water at a compliance point (i.e., a receptor well 
    serving as a drinking-water supply). Specifically, the model estimated 
    the dilution/attenuation factor (DAF) resulting from subsurface 
    processes such as three-dimensional dispersion and dilution from ground 
    water recharge for a specific volume of waste.
        For the evaluation of Rhodia's petitioned waste, EPA used the 
    EPACML to evaluate the mobility of the hazardous constituents detected 
    in the extract of samples of Rhodia's filter-cake sludge. Total 
    analysis was also utilized for the filter-cake sludge. Typically, EPA 
    uses the maximum annual waste volume to derive a petition-specific DAF. 
    The maximum annual waste volume for Rhodia is 1,200 cubic yards per 
    year. The DAFs are currently calculated assuming an ongoing process 
    generates waste for 20 years.
        Analytical data for the filter-cake sludge samples were used in the 
    model. The data summaries for detected constituents are presented in 
    Tables II, III, IV, and V.
        The EPA's evaluation of the Filter-cake Sludge is based on the 
    maximum reported Total and TCLP concentrations (See Table III). 
    Consequently the compliance point concentrations are below current 
    health based levels and Land Disposal Restrictions for Non-Wastewater 
    (See Table V).
        Based on the EPACML, the petitioned waste should be delisted 
    because no constituents of concern exceed the delisting concentrations.
    
               Table II.--Acetone and Chloroform Data Summary \1\
    ------------------------------------------------------------------------
                                            Analytical parameter (VOCs)
       Filter-cake samples (mg/kg)   ---------------------------------------
                                            Acetone           Chloroform
    ------------------------------------------------------------------------
    Appendix IX Reporting Limit \2\.               0.010               0.05
    FC970512-01.....................               0.60                0.10
    FC970512-01RE \3\...............               0.26                0.02
    FC970513-02.....................               0.30                0.10
    FC970513-02RE \3\...............               0.28                0.04
    FC970514-03.....................               0.25                0.056
    FC970514-03RE \3\...............               0.16                0.023
    FC970515-04.....................          \4\ ND                  ND
    FC970515-04RE \3\...............          \5\ NA                  NA
    FC970517-05.....................               0.043              ND
    FC970517-05RE \3\...............              NA                  NA
    FC970520-06.....................               0.050              ND
    FC970520-06RE \3\...............              NA                  NA
    FC970521-07.....................               0.049              ND
    FC970522-08.....................               0.058              ND
    FC970522-08RE \3\...............               0.17               ND
    FC970522-08.....................              ND                  ND
    FC970522-08RE \3\...............               0.13               ND
    ------------------------------------------------------------------------
    \1\ This table only summarizes the analytical results for the volatile
      organic compounds that were detected by the laboratory against the
      Appendix IX reporting limits.
    \2\ The Appendix IX reporting limits for acetone are chloroform are
      referenced from 40 CFR 264, Appendix IX.
    \3\ RE--Replicate samples.
    \4\ ND--Not detected.
    \5\ NA--Not analyzed.
    
    
    [[Page 55885]]
    
    
      Table III.--Maximum Total and TCLP Constituent Concentrations Filter-
                                 Cake Sludge \1\
    ------------------------------------------------------------------------
                                                             TCLP Leachate
               Constituent             Total constituent  Concentration  (mg/
                                       analyses (mg/kg)           l)
    ------------------------------------------------------------------------
    Arsenic.........................              830.00               ND
    Barium..........................              193.00               ND
    Cadmium.........................                3.50               ND
    Chromium........................              852.00               ND
    Cobalt..........................               81.20                4.06
    Copper..........................             1500.00               75.00
    Mercury.........................               81.60               ND
    Lead............................              861.00               ND
    Nickel..........................             1210.00                3.00
    Selenium........................               36.30               ND
    Silver..........................               94.90               ND
    Vanadium........................               92.10                4.61
    Zinc............................             3130.00              156.50 
    ------------------------------------------------------------------------
    \1\ These levels represent the highest concentration of each constituent
      found in any one sample. These levels do not necessarily represent the
      specific levels found in one sample.
    
    
                  Table IV.--Oil and Grease Results Summary \1\
    ------------------------------------------------------------------------
                                                       Analytical Parameter
              Filter-cake samples (mg/kg)               (specific) Oil and
                                                              grease
    ------------------------------------------------------------------------
    Laboratory Reporting Limit \2\.................                    3,520
    FC970520-06....................................                   3,660
    ------------------------------------------------------------------------
    \1\ This table only summarizes the results for those special parameters
      that were detected above laboratory detection limits.
    \2\ Appendix IX reporting limits are not available for oil and grease.
      Therefore, the laboratory's detection limits were used for the
      comparison.
    
    
    Table V.--EPACML: Comparison of Filter-Cake Sludge Calculated Compliance-Point Concentrations Against Regulatory
                                                        Standards
    ----------------------------------------------------------------------------------------------------------------
                                                           Compliance point
                        Constituents                        concentrations     Levels of concern  LDR non-wastewater
                                                               (mg/l) 1            (mg/l) 2              (mg/l)
    ----------------------------------------------------------------------------------------------------------------
    Arsenic.............................................               0.001               0.05                5.00
    Barium..............................................               0.006               2.00               21.00
    Cadmium.............................................               0.001               0.005               0.11
    Chromium............................................               0.001               0.1                 0.60
    Mercury.............................................            3 ND                   0.002               0.025
    Nickel..............................................               0.033               0.1                11.00
    Lead................................................               0.001               0.015               0.75
    Selenium............................................            3 ND                   0.05                5.70
    Silver..............................................               0.001               0.2                 0.14
    ----------------------------------------------------------------------------------------------------------------
    1 Using the maximum TCLP leachate concentration, based on a DAF of 90 for a maximum annual volume of 1,200 cubic
      yards.
    2  See ``Docket Report on Health-Based Levels and Solubilities Used in the Evaluation of Delisting Petitions,''
      May 1996 located in the RCRA Public Docket for today's notice.
    3 ND = Not Detected.
    
    F. What Did EPA Conclude About Rhodia's Analysis?
    
        The EPA concluded, after reviewing Rhodia's processes that no other 
    hazardous constituents of concern, other than those for which tested, 
    are likely to be present or formed as reaction products or by products 
    in Rhodia's waste. In addition, on the basis of explanations and 
    analytical data provided by Rhodia, pursuant to Sec. 260.22, the EPA 
    concludes that the petitioned waste does not exhibit any of the 
    characteristics of ignitability, corrosivity, or reactivity. See 
    Secs. 261.21, 261.22, and 261.23, respectively.
    
    G. What Other Factors Did EPA Consider?
    
        During the evaluation of Rhodia's petition, EPA also considered the 
    potential impact of the petitioned waste via non-ground water routes 
    (i.e., air emission and surface runoff). With regard to airborne 
    dispersion in particular, EPA believes that exposure to airborne 
    contaminants from Rhodia's petitioned waste is unlikely. Therefore, no 
    appreciable air releases are likely from Rhodia's waste under any 
    likely disposal conditions. The EPA evaluated the potential hazards 
    resulting from the unlikely scenario of airborne exposure to hazardous 
    constituents released from Rhodia's waste in an open landfill. The 
    results of this worst-case analysis indicated that there is no 
    substantial present or potential hazard to human health and the 
    environment from airborne exposure to constituents from Rhodia's 
    Filter-cake sludge. A description of EPA's assessment of the potential 
    impact of Rhodia's waste, regarding airborne dispersion of waste 
    contaminants, is presented in the RCRA public docket for today's 
    proposed rule.
        The EPA also considered the potential impact of the petitioned 
    waste via a surface water route. The EPA believes that containment 
    structures at municipal solid waste landfills can effectively control 
    surface water runoff,
    
    [[Page 55886]]
    
    as the Subtitle D regulations (See 56 FR 50978, October 9, 1991) 
    prohibit pollutant discharges into surface waters. Furthermore, the 
    concentrations of any hazardous constituents dissolved in the runoff 
    will tend to be lower than the levels in the TCLP leachate analyses 
    reported in today's notice due to the aggressive acidic medium used for 
    extraction in the TCLP. The EPA believes that, in general, leachate 
    derived from the waste is unlikely to directly enter a surface water 
    body without first traveling through the saturated subsurface where 
    dilution and attenuation of hazardous constituents will also occur. 
    Leachable concentrations provide a direct measure of solubility of a 
    toxic constituent in water and are indicative of the fraction of the 
    constituent that may be mobilized in surface water as well as ground 
    water.
        Based on the reasons discussed above, EPA believes that the 
    contamination of surface water through runoff from the waste disposal 
    area is very unlikely. Nevertheless, EPA evaluated the potential 
    impacts on surface water if Rhodia's waste were released from a 
    municipal solid waste landfill through runoff and erosion. See, the 
    RCRA public docket for today's proposed rule. The estimated levels of 
    the hazardous constituents of concern in surface water would be well 
    below health-based levels for human health, as well as below EPA 
    Chronic Water Quality Criteria for aquatic organisms (USEPA, OWRS, 
    1987). The EPA, therefore, concluded that Rhodia's filter-cake Sludge 
    is not a present or potential substantial hazard to human health and 
    the environment via the surface water exposure pathway.
    
    H. What is EPA's Final Evaluation of This Delisting Petition?
    
        The descriptions of Rhodia's hazardous waste process and analytical 
    characterization, with the proposed verification testing requirements 
    (as discussed later in this notice), provide a reasonable basis for EPA 
    to grant the exclusion. The data submitted in support of the petition 
    show that constituents in the waste are below the applicable treatment 
    standards (see Table V). We conclude Rhodia's process will 
    substantially reduce the likelihood of migration of hazardous 
    constituents from the petitioned waste. Their process also minimizes 
    short-term and long-term threats from the petitioned waste to human 
    health and the environment.
        Thus, EPA believes we should grant Rhodia an exclusion for the 
    filter-cake sludge. The EPA believes the data submitted in support of 
    the petition show Rhodia's process can render the filter-cake sludge 
    nonhazardous.
        We have reviewed the sampling procedures used by Rhodia and have 
    determined they satisfy EPA criteria for collecting representative 
    samples of variable constituent concentrations in the filter-cake 
    sludge. The data submitted in support of the petition show that 
    constituents in Rhodia's waste are presently below the compliance point 
    concentrations used in the delisting decision-making and would not pose 
    a substantial hazard to the environment. The EPA believes that Rhodia 
    has successfully demonstrated that the filter-cake sludge are 
    nonhazardous.
        The EPA therefore, proposes to grant a conditional exclusion to the 
    Rhodia Corporation, in Houston, Texas, for the filter-cake sludge 
    described in its petition. The EPA's decision to conditionally exclude 
    this waste is based on descriptions of the treatment activities 
    associated with the petitioned waste and characterization of the 
    filter-cake sludge.
        If we finalize the proposed rule, the Agency will no longer 
    regulate the petitioned waste under parts 262 through 268 and the 
    permitting standards of part 270.
    
    IV. Next Steps
    
    A. With What Conditions Must the Petitioner Comply?
    
        The petitioner, Rhodia, must comply with the requirements in 40 CFR 
    part 261, Appendix IX, Tables 1 and 2. The text below gives the 
    rationale and details of those requirements.
    (1) Delisting Levels
        This paragraph provides the levels of constituents that Rhodia must 
    test the leachate from the filter-cake sludge, below which these wastes 
    would be considered nonhazardous.
        The EPA selected the set of inorganic and organic constituents 
    specified in Paragraph (1) because of information in the petition. We 
    compiled the list from the composition of the waste, descriptions of 
    Rhodia's treatment process, previous test data provided for the waste, 
    and the respective health-based levels used in delisting decision-
    making.
        We established the proposed delisting levels by calculating the 
    Maximum Allowable Leachate (MALs) concentrations from the Health-based 
    levels (HBL) for the constituents of concern and the EPACML chemical-
    specific DAF of 90, that is, MAL = HBL  x  DAF. We also limited the 
    MALs so the concentrations would not exceed non waste water 
    concentrations in the Land Disposal Restriction treatment standards in 
    40 CFR part 268. These delisting levels correspond to the allowable 
    levels measured in the TCLP extract of the waste.
    (2) Waste Holding and Handling
        The purpose of this paragraph is to ensure that any filter-cake 
    sludge which might contain hazardous levels of inorganic and organic 
    constituents are managed and disposed of in accordance with Subtitle C 
    of RCRA. Holding the filter-cake sludge until characterization is 
    complete will protect against improper handling of hazardous material. 
    If EPA determines that the data collected under this condition do not 
    support the data provided for the petition the exclusion will not cover 
    the petitioned waste.
    (3) Verification Testing Requirements
        (A) Initial Verification Testing. If the EPA determines that the 
    data from the initial verification period shows the treatment process 
    is effective, Rhodia may request that EPA allow it to conduct 
    verification testing quarterly. If EPA approves this request in 
    writing, then Rhodia may begin verification testing quarterly.
        The EPA believes that an initial period of 60 days is adequate for 
    a facility to collect sufficient data to verify that the data provided 
    for the filter-cake sludge in the 1998 petition, is representative.
        We are requiring Rhodia to conduct a multiple pH analysis because 
    in our experience more leaching can occur from disposed waste when the 
    pH of the waste is extremely acidic or basic. The multiple pH test is 
    similar to the TCLP, but the test uses different pH extraction fluids. 
    Rhodia should design the analytical test to show that the petitioned 
    waste when disposed of in an acidic and basic landfill environment 
    would not leach concentrations above the levels of regulatory concern. 
    The second condition should reflect how the petitioned waste will 
    behave when it is disposed in a landfill environment similar to the pH 
    of the waste. The EPA believes that evaluating the leachate generated 
    from using extraction fluids over a range of pH's can simulate general 
    disposal conditions and provide added assurance that the waste will 
    remain nonhazardous when disposal conditions change. The petitioner 
    must perform these analyses to confirm that the leachate concentrations 
    do not exceed the concentrations in Paragraph 1 over a wide pH range. 
    While the waste's pH does vary, the Agency believes that under the 
    various pH
    
    [[Page 55887]]
    
    conditions the waste will remain stable, and thus will proceed with the 
    promulgation of the proposed decision.
        If we determine that the data collected under this Paragraph do not 
    support the data provided for the petition, the exclusion will not 
    cover the generated wastes. If the data from the initial verification 
    period demonstrate that the treatment process is effective, Rhodia may 
    request quarterly testing. EPA will notify Rhodia, in writing, if and 
    when they may replace the testing conditions in paragraph (3)(A)(i) 
    with the testing conditions in (3)(B).
        (B) Subsequent Verification Testing. The EPA believes that the 
    concentrations of the constituents of concern in the filter-cake sludge 
    may vary over time. As a result, to ensure that Rhodia's treatment 
    process can effectively handle any variation in constituent 
    concentrations in the waste, we are proposing a subsequent verification 
    testing condition.
        The proposed subsequent testing would verify that Rhodia operates 
    the AWT as it did during the initial verification testing. It would 
    also verify that the filter-cake sludge does not exhibit unacceptable 
    levels of toxic constituents. The EPA is proposing to require Rhodia to 
    analyze representative samples of the filter-cake sludge quarterly 
    during the first year of waste generation. Rhodia would begin annual 
    sampling on the anniversary date of the final exclusion. They must also 
    use the multiple pH extraction procedure for samples collected during 
    the annual sampling.
    (4) Changes in Operating Conditions
        Paragraph (4) would allow Rhodia the flexibility of modifying its 
    processes (for example, changes in equipment or change in operating 
    conditions) to improve its treatment process. However, Rhodia must 
    prove the effectiveness of the modified process and request approval 
    from the EPA. Rhodia must manage wastes generated during the new 
    process demonstration as hazardous waste until they have obtained 
    written approval and Paragraph (3) is satisfied.
    (5) Data Submittals
        To provide appropriate documentation that Rhodia's facility is 
    properly treating the waste, Rhodia must compile, summarize, and keep 
    delisting records on-site for a minimum of five years. They should keep 
    all analytical data obtained through Paragraph (3) including quality 
    control information for five years. Paragraph (5) requires that Rhodia 
    furnish these data upon request for inspection by any employee or 
    representative of EPA or the State of Texas.
        If the proposed exclusion is made final, it will apply only to 
    1,200 cubic yards of filter-cake sludge, generated annually at the 
    Rhodia facility after successful verification testing.
        We would require Rhodia to file a new delisting petition under any 
    of the following circumstances:
        (a) If they significantly alter the thermal desorption treatment 
    system except as described in Paragraph (4).
        (b) If they use any new manufacturing or production process(es), or 
    significantly change from the current process(es) described in their 
    petition; or
        (c) If they make any changes that could affect the composition or 
    type of waste generated.
        Rhodia must manage waste volumes greater than 1,200 cubic yards of 
    filter-cake sludge as hazardous until we grant a new exclusion.
        When this exclusion becomes final, Rhodia's management of the 
    wastes covered by this petition would be relieved from Subtitle C 
    jurisdiction. Rhodia must either treat, store, or dispose of the waste 
    in an on-site facility that has a State permit, license, or is 
    registered to manage municipal or industrial solid waste. If not, 
    Rhodia must ensure that it delivers the waste to an off-site storage, 
    treatment, or disposal facility that has a State permit, license, or is 
    registered to manage municipal or industrial solid waste.
    (6) Reopener Language
        The purpose of Paragraph 6 is to require Rhodia to disclose new or 
    different information related to a condition at the facility or 
    disposal of the waste if it is pertinent to the delisting. Rhodia must 
    also use this procedure, if the waste sample in the annual testing 
    fails to meet the levels found in Paragraph 1. This provision will 
    allow EPA to reevaluate the exclusion if a source provides new or 
    additional information to the Agency. The EPA will evaluate the 
    information on which we based the decision to see if it is still 
    correct, or if circumstances have changed so that the information is no 
    longer correct or would cause EPA to deny the petition if presented. 
    This provision expressly requires Rhodia to report differing site 
    conditions or assumptions used in the petition in addition to failure 
    to meet the annual testing conditions within 10 days of discovery. If 
    EPA discovers such information itself or from a third party, it can act 
    on it as appropriate. The language being proposed is similar to those 
    provisions found in RCRA regulations governing no-migration petitions 
    at Sec. 268.6.
        The EPA believes that we have the authority under RCRA and the 
    Administrative Procedures Act, 5 U.S.C. Sec. 551 (1978) et seq., to 
    reopen a delisting decision. We may reopen a delisting decision when we 
    receive new information that calls into question the assumptions 
    underlying the delisting.
        The Agency believes a clear statement of its authority in 
    delistings is merited in light of Agency experience. See Reynolds 
    Metals Company at 62 FR 37694 and 62 FR 63458 where the delisted waste 
    leached at greater concentrations in the environment than the 
    concentrations predicted when conducting the TCLP, thus leading the 
    Agency to repeal the delisting. If an immediate threat to human health 
    and the environment presents itself, EPA will continue to address these 
    situations case by case. Where necessary, EPA will make a good cause 
    finding to justify emergency rulemaking. See APA 553 (b).
    (7) Notification Requirements
        In order to adequately track wastes that have been delisted, EPA is 
    requiring that Rhodia provide a one-time notification to any State 
    regulatory agency through which or to which the delisted waste is being 
    carried. Rhodia must provide this notification within 60 days of 
    commencing this activity.
    
    B. What Happens if Rhodia Violates the Terms and Conditions?
    
        If Rhodia violates the terms and conditions established in the 
    exclusion, the Agency will start procedures to withdraw the exclusion. 
    Where there is an immediate threat to human health and the environment, 
    the Agency will continue to evaluate these events on a case-by-case 
    basis. The Agency expects Rhodia to conduct the appropriate waste 
    analysis and comply with the criteria explained above in Paragraphs 
    3,4,5 and 6 of the exclusion.
    
    V. Public Comments
    
    A. How can I as an Interested Party Submit Comments?
    
        The EPA is requesting public comments on this proposed decision. 
    Please send three copies of your comments. Send two copies to William 
    Gallagher, Delisting Section, Multimedia Planning and Permitting 
    Division (6PD-O), Environmental Protection Agency (EPA), 1445 Ross 
    Avenue, Dallas, Texas 75202. Send a third copy to the Texas Natural 
    Resource Conservation Commission, 12100 Park 35 Circle, Austin, Texas
    
    [[Page 55888]]
    
    78753. Identify your comments at the top with this regulatory docket 
    number: ``F-99-TXDEL-RHODIA.''
        You should submit requests for a hearing to Robert Hannesschlager, 
    Acting Director, Multimedia Planning and Permitting Division (6PD), 
    Environmental Protection Agency, 1445 Ross Avenue, Dallas, Texas 75202.
    
    B. How May I Review the Docket or Obtain Copies of the Proposed 
    Exclusion?
    
        You may review the RCRA regulatory docket for this proposed rule at 
    the Environmental Protection Agency Region 6, 1445 Ross Avenue, Dallas, 
    Texas 75202. It is available for viewing in the EPA Freedom of 
    Information Act Review Room from 9:00 a.m. to 4 p.m., Monday through 
    Friday, excluding Federal holidays. Call (214) 665-6444 for 
    appointments. The public may copy material from any regulatory docket 
    at no cost for the first 100 pages, and at fifteen cents per page for 
    additional copies.
    
    VI. Regulatory Impact
    
        Under Executive Order 12866, EPA must conduct an ``assessment of 
    the potential costs and benefits'' for all ``significant'' regulatory 
    actions.
        The proposal to grant an exclusion is not significant, since its 
    effect, if promulgated, would be to reduce the overall costs and 
    economic impact of EPA's hazardous waste management regulations. This 
    reduction would be achieved by excluding waste generated at a specific 
    facility from EPA's lists of hazardous wastes, thus enabling a facility 
    to manage its waste as nonhazardous.
        Because there is no additional impact from today's proposed rule, 
    this proposal would not be a significant regulation, and no cost/
    benefit assessment is required. The Office of Management and Budget 
    (OMB) has also exempted this rule from the requirement for OMB review 
    under section (6) of Executive Order 12866.
    
    VII. Regulatory Flexibility Act
    
        Under the Regulatory Flexibility Act, 5 U.S.C. 601-612, whenever an 
    agency is required to publish a general notice of rulemaking for any 
    proposed or final rule, it must prepare and make available for public 
    comment a regulatory flexibility analysis which describes the impact of 
    the rule on small entities (that is, small businesses, small 
    organizations, and small governmental jurisdictions). No regulatory 
    flexibility analysis is required, however, if the Administrator or 
    delegated representative certifies that the rule will not have any 
    impact on a small entities.
        This rule, if promulgated, will not have an adverse economic impact 
    on small entities since its effect would be to reduce the overall costs 
    of EPA's hazardous waste regulations and would be limited to one 
    facility. Accordingly, I hereby certify that this proposed regulation, 
    if promulgated, will not have a significant economic impact on a 
    substantial number of small entities. This regulation, therefore, does 
    not require a regulatory flexibility analysis.
    
    VIII. Paperwork Reduction Act
    
        Information collection and record-keeping requirements associated 
    with this proposed rule have been approved by the Office of Management 
    and Budget (OMB) under the provisions of the Paperwork Reduction Act of 
    1980 (Public Law 96-511, 44 U.S.C. 3501 et seq.) and have been assigned 
    OMB Control Number 2050-0053.
    
    IX. Unfunded Mandates Reform Act
    
        Under section 202 of the Unfunded Mandates Reform Act of 1995 
    (UMRA), Public Law 104-4, which was signed into law on March 22, 1995, 
    EPA generally must prepare a written statement for rules with Federal 
    mandates that may result in estimated costs to State, local, and tribal 
    governments in the aggregate, or to the private sector, of $100 million 
    or more in any one year.
        When such a statement is required for EPA rules, under section 205 
    of the UMRA EPA must identify and consider alternatives, including the 
    least costly, most cost-effective, or least burdensome alternative that 
    achieves the objectives of the rule. The EPA must select that 
    alternative, unless the Administrator explains in the final rule why it 
    was not selected or it is inconsistent with law.
        Before EPA establishes regulatory requirements that may 
    significantly or uniquely affect small governments, including tribal 
    governments, it must develop under section 203 of the UMRA a small 
    government agency plan. The plan must provide for notifying potentially 
    affected small governments, giving them meaningful and timely input in 
    the development of EPA regulatory proposals with significant Federal 
    intergovernmental mandates, and informing, educating, and advising them 
    on compliance with the regulatory requirements.
        The UMRA generally defines a Federal mandate for regulatory 
    purposes as one that imposes an enforceable duty upon State, local, or 
    tribal governments or the private sector.
        The EPA finds that today's delisting decision is deregulatory in 
    nature and does not impose any enforceable duty on any State, local, or 
    tribal governments or the private sector. In addition, the proposed 
    delisting decision does not establish any regulatory requirements for 
    small governments and so does not require a small government agency 
    plan under UMRA section 203.
    
    X. Executive Order 12875
    
        Under Executive Order 12875, EPA may not issue a regulation that is 
    not required by statute and that creates a mandate upon a state, local, 
    or tribal government, unless the Federal government provides the funds 
    necessary to pay the direct compliance costs incurred by those 
    governments. If the mandate is unfunded, EPA must provide to the Office 
    of Management and Budget a description of the extent of EPA's prior 
    consultation with representatives of affected state, local, and tribal 
    governments, the nature of their concerns, copies of written 
    communications from the governments, and a statement supporting the 
    need to issue the regulation. In addition, Executive Order 12875 
    requires EPA to develop an effective process permitting elected 
    officials and other representatives of state, local, and tribal 
    governments ``to provide meaningful and timely input in the development 
    of regulatory proposals containing significant unfunded mandates.'' 
    Today's rule does not create a mandate on state, local or tribal 
    governments. The rule does not impose any enforceable duties on these 
    entities. Accordingly, the requirements of section 1(a) of Executive 
    Order 12875 do not apply to this rule.
    
    XI. Executive Order 13045
    
        The Executive Order 13045 is entitled ``Protection of Children from 
    Environmental Health Risks and Safety Risks'' (62 FR 19885, April 23, 
    1997). This order applies to any rule that EPA determines (1) is 
    economically significant as defined under Executive Order 12866, and 
    (2) the environmental health or safety risk addressed by the rule has a 
    disproportionate effect on children. If the regulatory action meets 
    both criteria, the Agency must evaluate the environmental health or 
    safety effects of the planned rule on children, and explain why the 
    planned regulation is preferable to other potentially effective and 
    reasonably feasible alternatives considered by the Agency. This 
    proposed rule is not subject to Executive Order 13045 because this is 
    not an economically significant
    
    [[Page 55889]]
    
    regulatory action as defined by Executive Order 12866.
    
    XII. Executive Order 13084
    
        Because this action does not involve any requirements that affect 
    Indian Tribes, the requirements of section 3(b) of Executive Order 
    13084 do not apply.
        Under Executive Order 13084, EPA may not issue a regulation that is 
    not required by statute, that significantly affects or uniquely affects 
    that communities of Indian tribal governments, and that imposes 
    substantial direct compliance costs on those communities, unless the 
    Federal government provides the funds necessary to pay the direct 
    compliance costs incurred by the tribal governments.
        If the mandate is unfunded, EPA must provide to the Office of 
    Management and Budget, in a separately identified section of the 
    preamble to the rule, a description of the extent of EPA's prior 
    consultation with representatives of affected tribal governments, a 
    summary of the nature of their concerns, and a statement supporting the 
    need to issue the regulation.
        In addition, Executive Order 13084 requires EPA to develop an 
    effective process permitting elected and other representatives of 
    Indian tribal governments ``to meaningful and timely input'' in the 
    development of regulatory policies on matters that significantly or 
    uniquely affect their communities of Indian tribal governments. This 
    action does not involve or impose any requirements that affect Indian 
    Tribes. Accordingly, the requirements of section 3(b) of Executive 
    Order 13084 do not apply to this rule.
    
    XIII. National Technology Transfer and Advancement Act
    
        Under Section 12(d) of the National Technology Transfer and 
    Advancement Act, the Agency is directed to use voluntary consensus 
    standards in its regulatory activities unless to do so would be 
    inconsistent with applicable law or otherwise impractical. Voluntary 
    consensus standards are technical standards (e.g., materials 
    specifications, test methods, sampling procedures, business practices, 
    etc.) developed or adopted by voluntary consensus standard bodies. 
    Where available and potentially applicable voluntary consensus 
    standards are not used by EPA, the Act requires that Agency to provide 
    Congress, through the OMB, an explanation of the reasons for not using 
    such standards.
        This rule does not establish any new technical standards and thus, 
    the Agency has no need to consider the use of voluntary consensus 
    standards in developing this final rule.
    
    List of Subjects in 40 CFR Part 261
    
        Environmental protection, Hazardous waste, Recycling, Reporting and 
    recordkeeping requirements.
    
        Authority: Sec. 3001(f) RCRA, 42 U.S.C. 6921(f)
    
        Dated: September 29, 1999.
    Robert Hannesschlager,
    Acting Director, Multimedia Planning and Permitting Division, Region 6
        For the reasons set out in the preamble, 40 CFR part 261 is 
    proposed to be amended as follows:
    
    PART 261--IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
    
        1. The authority citation for part 261 continues to read as 
    follows:
    
        Authority: 42 U.S.C. 6905, 6912(a), 6921, 6922, and 6938.
    
        2. In Tables 1, 2, and 3 of Appendix IX of part 261 it is proposed 
    to add the following waste stream in alphabetical order by facility to 
    read as follows:
    
    Appendix IX to Part 261--Wastes Excluded Under Secs. 260.20 and 
    260.22
    
               Table 1.--Waste Excluded From Non-Specific Sources
    ------------------------------------------------------------------------
         Facility and address                  Waste description
    ------------------------------------------------------------------------
     
    *                  *                  *                  *
                      *                  *                  *
    Rhodia, Houston, Texas.......  Filter-cake Sludge, (at a maximum
                                    generation of 1,200 cubic yards per
                                    calendar year) generated by Rhodia using
                                    the SARU and AWT treatment process to
                                    treat the filter-cake sludge (EPA
                                    Hazardous Waste Nos. D001-D43, F001-
                                    F012, F019, F024, F025, F032, F034, F037-
                                    F039) generated at Rhodia.
                                   Rhodia must implement a testing program
                                    that meets the following conditions for
                                    the exclusion to be valid:
                                   (1) Delisting Levels:
                                   All concentrations for the following
                                    constituents must not exceed the
                                    following levels (mg/l). For the filter-
                                    cake constituents must be measured in
                                    the waste leachate by the method
                                    specified in 40 CFR Part 261.24.
                                   (A) Filter-cake Sludge
                                   (i) Inorganic Constituents: Antimony--
                                    1.15; Arsenic--1.40; Barium--21.00;
                                    Beryllium--1.22; Cadmium--0.11; Cobalt--
                                    189.00; Copper--90.00; Chromium--0.60;
                                    Lead--0.75; Mercury--0.025; Nickel--
                                    9.00; Selenium--4.50; Silver--0.14;
                                    Thallium--0.20; Vanadium--1.60; Zinc--
                                    4.30
                                   (ii) Organic Constituents: Chlorobenzene-
                                    Non Detect; Carbon Tetrachloride-Non
                                    Detect; Acetone--360; Chloroform--0.9
                                   (2) Waste Holding and Handling:
                                   Rhodia must store in accordance with its
                                    RCRA permit, or continue to dispose of
                                    as hazardous waste all Filter-cake
                                    Sludge until the verification testing
                                    described in Condition (3)(A), as
                                    appropriate, is completed and valid
                                    analyses demonstrate that condition (3)
                                    is satisfied. If the levels of
                                    constituents measured in the samples of
                                    the Filter-cake Sludge do not exceed the
                                    levels set forth in Condition (1), then
                                    the waste is nonhazardous and may be
                                    managed and disposed of in accordance
                                    with all applicable solid waste
                                    regulations.
                                   (3) Verification Testing Requirements:
                                   Rhodia must perform sample collection and
                                    analyses, including quality control
                                    procedures, according to SW-846
                                    methodologies. If EPA judges the process
                                    to be effective under the operating
                                    conditions used during the initial
                                    verification testing, Rhodia may replace
                                    the testing required in Condition (3)(A)
                                    with the testing required in Condition
                                    (3)(B). Rhodia must continue to test as
                                    specified in Condition (3)(A) until and
                                    unless notified by EPA in writing that
                                    testing in Condition (3)(A) may be
                                    replaced by Condition (3)(B).
    
    [[Page 55890]]
    
     
                                   (A) Initial Verification Testing:
                                   (i) At quarterly intervals for one year
                                    after the final exclusion is granted,
                                    Rhodia must collect and analyze
                                    composites of the filter-cake sludge.
                                    TCLP must be run on all waste and
                                    constituents for which total
                                    concentrations have been identified
                                    including constituents listed in
                                    Paragraph 1. Rhodia must conduct a
                                    multiple pH leaching procedure on
                                    samples collected during the quarterly
                                    intervals. Rhodia must perform the TCLP
                                    procedure using distilled water and
                                    three different pH extraction fluids to
                                    simulate disposal under three
                                    conditions. Simulate an acidic landfill
                                    environment, basic landfill environment
                                    and a landfill environment similar to
                                    the pH of the waste. Rhodia must report
                                    the operational and analytical test
                                    data, including quality control
                                    information, obtained during this
                                    initial period no later than 90 days
                                    after the generation of the waste.
                                   (B) Subsequent Verification Testing:
                                   Following termination of the quarterly
                                    testing, Rhodia must continue to test a
                                    representative composite sample for all
                                    constituents listed in Condition (1) on
                                    an annual basis (no later than twelve
                                    months after the final exclusion).
                                   (4) Changes in Operating Conditions:
                                   If Rhodia significantly changes the
                                    process which generate(s) the waste(s)
                                    and which may or could affect the
                                    composition or type waste(s) generated
                                    as established under Condition (1) (by
                                    illustration, but not limitation, change
                                    in equipment or operating conditions of
                                    the treatment process), or its NPDES
                                    permit is changed, revoked or not
                                    reissued, Rhodia must notify the EPA in
                                    writing and may no longer handle the
                                    waste generated from the new process or
                                    no longer discharge as nonhazardous
                                    until the waste meet the delisting
                                    levels set in Condition (1) and it has
                                    received written approval to do so from
                                    EPA.
                                   (5) Data Submittals:
                                   Rhodia must submit the information
                                    described below. If Rhodia fails to
                                    submit the required data within the
                                    specified time or maintain the required
                                    records on-site for the specified time,
                                    EPA, at its discretion, will consider
                                    this sufficient basis to reopen the
                                    exclusion as described in Paragraph 6.
                                    Rhodia must:
                                   (A) Submit the data obtained through
                                    Paragraph 3 to Mr. William Gallagher,
                                    Chief, Region 6 Delisting Program, EPA,
                                    1445 Ross Avenue, Dallas, Texas 75202-
                                    2733, Mail Code, (6PD-O) within the time
                                    specified.
                                   (B) Compile records of operating
                                    conditions and analytical data from
                                    Paragraph (3), summarized, and
                                    maintained on-site for a minimum of five
                                    years.
                                   (C) Furnish these records and data when
                                    EPA or the State of Texas request them
                                    for inspection.
                                   (D) Send along with all data a signed
                                    copy of the following certification
                                    statement, to attest to the truth and
                                    accuracy of the data submitted:
                                   Under civil and criminal penalty of law
                                    for the making or submission of false or
                                    fraudulent statements or representations
                                    (pursuant to the applicable provisions
                                    of the Federal Code, which include, but
                                    may not be limited to, 18 U.S.C. Sec.
                                    1001 and 42 U.S.C. Sec.  6928), I
                                    certify that the information contained
                                    in or accompanying this document is
                                    true, accurate and complete.
                                   As to the (those) identified section(s)
                                    of this document for which I cannot
                                    personally verify its (their) truth and
                                    accuracy, I certify as the company
                                    official having supervisory
                                    responsibility for the persons who,
                                    acting under my direct instructions,
                                    made the verification that this
                                    information is true, accurate and
                                    complete.
                                   If any of this information is determined
                                    by EPA in its sole discretion to be
                                    false, inaccurate or incomplete, and
                                    upon conveyance of this fact to the
                                    company, I recognize and agree that this
                                    exclusion of waste will be void as if it
                                    never had effect or to the extent
                                    directed by EPA and that the company
                                    will be liable for any actions taken in
                                    contravention of the company's RCRA and
                                    CERCLA obligations premised upon the
                                    company's reliance on the void
                                    exclusion.
                                   (6) Reopener Language:
                                   (A) If, anytime after disposal of the
                                    delisted waste, Rhodia possesses or is
                                    otherwise made aware of any
                                    environmental data (including but not
                                    limited to leachate data or groundwater
                                    monitoring data) or any other data
                                    relevant to the delisted waste
                                    indicating that any constituent
                                    identified for the delisting
                                    verification testing is at level higher
                                    than the delisting level allowed by the
                                    Regional Administrator or his delegate
                                    in granting the petition, then the
                                    facility must report the data, in
                                    writing, to the Regional Administrator
                                    or his delegate within 10 days of first
                                    possessing or being made aware of that
                                    data.
                                   (B) If the annual testing of the waste
                                    does not meet the delisting requirements
                                    in Paragraph 1, Rhodia must report the
                                    data, in writing, to the Regional
                                    Administrator or his delegate within 10
                                    days of first possessing or being made
                                    aware of that data.
                                   (C) If Rhodia fails to submit the
                                    information described in paragraphs (5),
                                    (6)(A) or (6)(B) or if any other
                                    information is received from any source,
                                    the Regional Administrator or his
                                    delegate will make a preliminary
                                    determination as to whether the reported
                                    information requires Agency action to
                                    protect human health or the environment.
                                    Further action may include suspending,
                                    or revoking the exclusion, or other
                                    appropriate response necessary to
                                    protect human health and the
                                    environment.
    
    [[Page 55891]]
    
     
                                   (D) If the Regional Administrator or his
                                    delegate determines that the reported
                                    information does require Agency action,
                                    the Regional Administrator or his
                                    delegate will notify the facility in
                                    writing of the actions the Regional
                                    Administrator or his delegate believes
                                    are necessary to protect human health
                                    and the environment. The notice shall
                                    include a statement of the proposed
                                    action and a statement providing the
                                    facility with an opportunity to present
                                    information as to why the proposed
                                    Agency action is not necessary. The
                                    facility shall have 10 days from the
                                    date of the Regional Administrator or
                                    his delegate's notice to present such
                                    information.
                                   (E) Following the receipt of information
                                    from the facility described in paragraph
                                    (6)(D) or (if no information is
                                    presented under paragraph (6)(D)) the
                                    initial receipt of information described
                                    in paragraphs (5), (6)(A) or (6)(B), the
                                    Regional Administrator or his delegate
                                    will issue a final written determination
                                    describing the Agency actions that are
                                    necessary to protect human health or the
                                    environment. Any required action
                                    described in the Regional Administrator
                                    or his delegate's determination shall
                                    become effective immediately, unless the
                                    Regional Administrator or his delegate
                                    provides otherwise.
                                   (7) Notification Requirements:
                                   Rhodia must do following before
                                    transporting the delisted waste: Failure
                                    to provide this notification will result
                                    in a violation of the delisting petition
                                    and a possible revocation of the
                                    decision.
                                   (A) Provide a one-time written
                                    notification to any State Regulatory
                                    Agency to which or through which they
                                    will transport the delisted waste
                                    described above for disposal, 60 days
                                    before beginning such activities.
                                   (B) Update the one-time written
                                    notification if they ship the delisted
                                    waste into a different disposal
                                    facility.
    ------------------------------------------------------------------------
    
    
                 Table 2.--Wastes Excluded From Specific Sources
    ------------------------------------------------------------------------
         Facility and address                  Waste description
    ------------------------------------------------------------------------
     
    *                  *                  *                  *
                      *                  *                  *
    Rhodia, Houston,Texas........  Filter-cake Sludge, (at a maximum
                                    generation of 1,200 cubic yards per
                                    calendar year) generated by Rhodia using
                                    the SARU and AWT treatment process to
                                    treat the filter-cake sludge (EPA
                                    Hazardous Waste Nos. K002-004, K006-
                                    K011, K013-K052, K060-K062, K064-K066,
                                    K069, K071, K073, K083-K088, K090-K091,
                                    K093-K118, K123-K126, K131-K133, K136,
                                    K141-K145, K147-K151, K156-K161)
                                    generated at Rhodia. Rhodia must
                                    implement the testing program described
                                    in Table 1. Waste Excluded From Non-
                                    Specific Sources for the petition to be
                                    valid.
    ------------------------------------------------------------------------
    
    
        Table 3.--Wastes Excluded From Commercial Chemical Products, Off
      Specification Species, Container Residues, and Soil Residues Thereof
    ------------------------------------------------------------------------
         Facility and address                  Waste description
    ------------------------------------------------------------------------
     
    *                  *                  *                  *
                      *                  *                  *
    Rhodia, Houston,Texas........  Filter-cake Sludge, (at a maximum
                                    generation of 1,200 cubic yards per
                                    calendar year) generated by Rhodia using
                                    the SARU and AWT treatment process to
                                    treat the filter-cake sludge (EPA
                                    Hazardous Waste Nos. P001-P024, P026-
                                    P031, P033-P034, P036-P051, P054, P056-
                                    P060, P062-P078, P081-P082, P084-P085,
                                    P087-P089, P092-P116, P118-P123, P127-
                                    P128, P185, P188-P192, P194, P196-P199,
                                    P201-P205, U001-U012, U014-U039, U041-
                                    U053, U055-U064, U066-U099, U101-U103,
                                    U105-U138, U140-U174, U176-U194, U196-
                                    U197, U200-U211, U213-U223, U225-U228,
                                    U234-U240, U243-U244, U246-U249, U271,
                                    U277-U280, U328, U353, U359, U364-U367,
                                    U372-U373, U375-U379, U381-U396, U400-
                                    U404, U407, U409-U411) generated at
                                    Rhodia. Rhodia must implement the
                                    testing program described in Table 1.
                                    Waste Excluded From Non-Specific Sources
                                    for the petition to be valid.
     
    *                  *                  *                  *
                      *                  *                  *
    ------------------------------------------------------------------------
    
    
    [[Page 55892]]
    
    [FR Doc. 99-26663 Filed 10-14-99; 8:45 am]
    BILLING CODE 6560-50-P
    
    
    

Document Information

Published:
10/15/1999
Department:
Environmental Protection Agency
Entry Type:
Proposed Rule
Action:
Proposed rule and request for comment.
Document Number:
99-26663
Dates:
We will accept comments until November 29, 1999. We will stamp comments postmarked after the close of the comment period as ``late.'' These ``late'' comments may not be considered in formulating a final decision.
Pages:
55880-55892 (13 pages)
Docket Numbers:
SW-FRL-6455-1
PDF File:
99-26663.pdf
CFR: (1)
40 CFR 261